Compute the products `A B` and `B A` whichever exists in each of the following cases: `A=[1\ -1\ \ 2\ \ 3]` and `B=[0 1 3 2]` (ii) `[a\ \ b][c d]+[a\ \ b\ \ c\ \ d][a b c d]`

Compute the products AB and BA whichever exists in each of the following cases: A=[1-223] and B=[123231]( ii) A=[32-10-11] and B=[456012]

In a A B C , D a n d E are points on the sides A B and A C respectively. For each of the following cases show that D E B C : A B=12 c m , A D=8 c m , A E=12 c m a n d A C=18 c m . (ii) A B=5. 6 c m , A D=1. 4 c m , A C=7. 2 c m a n d A E=1. 8 cm

Match the following. (A) 1-c, 2-b, 3-a (B) 1-b, 2-c, 3-a (C) 1-a, 2-b, 3-c (D) 1-a, 2-c, 3-b

Comprehension (For Q.No.1 to 3) Let f(x)=x^2+2a x+b ,g(x)=c x^2+2dx+1 be quadratic expressions whose graph is a as shown in the figure. Here it is given that |A A^'|=|B B^'|a n d|O A^'|=|O B| Which of the following statements is correct a^2+d=d^2+c (b) a+d=b+c a^2+d^2=c+b (d) b c+c+a^2c+d^2

If A : B = 1 : 2 , B: C = 3: 4 and C: D = 5 : 6 find D: C : B :A

Let A = [(1,0),(2,3)] and A^(n) = [(a, b),(c,d)] then lim_(n to oo) (b + c)/(a + d) =

If a=2b, then a:b=2:1 (b) 1:2( c) 3:4 (d) 4:3